<script setup lang="ts">
import { onLoad } from '@dcloudio/uni-app'
import { computed, ref } from 'vue'
import { getMemberOrderPreAPI, getMemberOrderPreNowAPI, postMemberOrderAPI } from '@/services/order'
import type { OrderPreResult } from '@/types/order'
import { useAddressStore } from '@/stores/modules/address'
const addressStore = useAddressStore()

// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getSystemInfoSync()
// 订单备注
const buyerMessage = ref('')
// 配送时间
const deliveryList = ref([
  { type: 1, text: '时间不限 (周一至周日)' },
  { type: 2, text: '工作日送 (周一至周五)' },
  { type: 3, text: '周末配送 (周六至周日)' },
])
// 当前配送时间下标
const activeIndex = ref(0)
// 当前配送时间
const activeDelivery = computed(() => deliveryList.value[activeIndex.value])
// 修改配送时间
const onChangeDelivery: UniHelper.SelectorPickerOnChange = (ev) => {
  activeIndex.value = ev.detail.value
}

// 获取页面参数--获取从详情页传递过来的参数:商品id和数量
const query = defineProps<{
  skuId?: string
  count?: string
}>()
// 获取订单信息
const orderPre = ref<OrderPreResult>()
const getMemberOrderPreData = async () => {
  if (query.count && query.skuId) {
    //方式二:立即购买
    const res = await getMemberOrderPreNowAPI({
      skuId: query.skuId,
      count: query.count,
    })
    orderPre.value = res.result
  } else {
    // 方式一:购物车结算(预付订单)
    const res = await getMemberOrderPreAPI()
    orderPre.value = res.result
  }
}

// 收货地址:使用计算属性,优先使用已选择的地址
const selecteAddress = computed(() => {
  return (
    addressStore.selectedAddress || orderPre.value?.userAddresses.find((item) => item.isDefault)
  )
})

// 提交订单
const onOrderSubmit = async () => {
  // 轻提示:没有收货地址
  if (!selecteAddress.value) {
    uni.showToast({ title: '请选择收货地址', icon: 'none' })
    return
  }
  // 发送请求:提交订单接口
  const res = await postMemberOrderAPI({
    addressId: selecteAddress.value?.id, // 收货地址id
    buyerMessage: buyerMessage.value, // 订单备注信息
    deliveryTimeType: activeDelivery.value.type, // 配送时间类型
    goods: orderPre.value!.goods.map((v) => ({ count: v.count, skuId: v.skuId })), // 商品信息
    payChannel: 2, // 支付渠道:微信支付
    payType: 1, // 支付方式:在线支付
  })
  // 关闭当前页面并跳转到订单详情页,传递订单id
  uni.redirectTo({
    url: `/pagesOrder/detail/detail?id=${res.result.id}`,
  })
}

onLoad(() => {
  getMemberOrderPreData()
})
</script>
<template>
  <scroll-view scroll-y class="viewport">
    <!-- 收货地址 -->
    <navigator
      v-if="selecteAddress"
      class="shipment"
      hover-class="none"
      url="/pagesMember/address/address?from=order"
    >
      <!-- 张三 13333333333 -->
      <view class="user"> {{ selecteAddress.receiver }} </view>
      <!-- 广东省 广州市 天河区 黑马程序员3 -->
      <view class="address"> {{ selecteAddress.fullLocation }} {{ selecteAddress.address }} </view>
      <text class="icon icon-right"></text>
    </navigator>
    <navigator
      v-else
      class="shipment"
      hover-class="none"
      url="/pagesMember/address/address?from=order"
    >
      <view class="address"> 请选择收货地址 </view>
      <text class="icon icon-right"></text>
    </navigator>
    <!-- 商品信息 -->
    <view class="goods">
      <!-- 注意循坏数组是orderPre下的goods数组 -->
      <navigator
        v-for="item in orderPre?.goods"
        :key="item.skuId"
        :url="`/pages/goods/goods?id=${item.id}`"
        class="item"
        hover-class="none"
      >
        <image class="picture" :src="item.picture" />
        <view class="meta">
          <view class="name ellipsis"> {{ item.name }} </view>
          <view class="attrs">{{ item.attrsText }}</view>
          <view class="prices">
            <view class="pay-price symbol">{{ item.payPrice }}</view>
            <view class="price symbol">{{ item.price }}</view>
          </view>
          <view class="count">x{{ item.count }}</view>
        </view>
      </navigator>
    </view>
    <!-- 配送及支付方式 -->
    <view class="related">
      <view class="item">
        <text class="text">配送时间</text>
        <picker :range="deliveryList" range-key="text" @change="onChangeDelivery">
          <view class="icon-fonts picker">{{ activeDelivery.text }}</view>
        </picker>
      </view>
      <view class="item">
        <text class="text">订单备注</text>
        <input
          class="input"
          :cursor-spacing="30"
          placeholder="选题，建议留言前先与商家沟通确认"
          v-model="buyerMessage"
        />
      </view>
    </view>
    <!-- 支付金额 -->
    <view class="settlement">
      <view class="item">
        <text class="text">商品总价: </text>
        <text class="number symbol">{{ orderPre?.summary.totalPayPrice.toFixed(2) }}</text>
      </view>
      <view class="item">
        <text class="text">运费: </text>
        <text class="number symbol">{{ orderPre?.summary.postFee.toFixed(2) }}</text>
      </view>
    </view>
  </scroll-view>
  <!-- 吸底工具栏 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="total-pay symbol">
      <text class="number">{{ orderPre?.summary.totalPayPrice.toFixed(2) }}</text>
    </view>
    <view @tap="onOrderSubmit" class="button" :class="{ disabled: !selecteAddress?.id }">
      提交订单
    </view>
  </view>
</template>
<style lang="scss">
page {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background-color: #f4f4f4;
}
.symbol::before {
  content: '¥';
  font-size: 80%;
  margin-right: 5rpx;
}
.shipment {
  margin: 20rpx;
  padding: 30rpx 30rpx 30rpx 84rpx;
  font-size: 26rpx;
  border-radius: 10rpx;
  background: url(https://pcapi-xiaotuxian-front-devtest.itheima.net/miniapp/images/locate.png)
    20rpx center / 50rpx no-repeat #fff;
  position: relative;
  .icon {
    font-size: 36rpx;
    color: #333;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    right: 20rpx;
  }
  .user {
    color: #333;
    margin-bottom: 5rpx;
  }
  .address {
    color: #666;
  }
}
.goods {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;
  .item {
    display: flex;
    padding: 30rpx 0;
    border-top: 1rpx solid #eee;
    &:first-child {
      border-top: none;
    }
    .picture {
      width: 170rpx;
      height: 170rpx;
      border-radius: 10rpx;
      margin-right: 20rpx;
    }
    .meta {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
    }
    .name {
      height: 80rpx;
      font-size: 26rpx;
      color: #444;
    }
    .attrs {
      line-height: 1.8;
      padding: 0 15rpx;
      margin-top: 6rpx;
      font-size: 24rpx;
      align-self: flex-start;
      border-radius: 4rpx;
      color: #888;
      background-color: #f7f7f8;
    }
    .prices {
      display: flex;
      align-items: baseline;
      margin-top: 6rpx;
      font-size: 28rpx;
      .pay-price {
        margin-right: 10rpx;
        color: #cf4444;
      }
      .price {
        font-size: 24rpx;
        color: #999;
        text-decoration: line-through;
      }
    }
    .count {
      position: absolute;
      bottom: 0;
      right: 0;
      font-size: 26rpx;
      color: #444;
    }
  }
}
.related {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;
  .item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }
  .input {
    flex: 1;
    text-align: right;
    margin: 20rpx 0;
    padding-right: 20rpx;
    font-size: 26rpx;
    color: #999;
  }
  .item .text {
    width: 125rpx;
  }
  .picker {
    color: #666;
  }
  .picker::after {
    content: '\e6c2';
  }
}
/* 结算清单 */
.settlement {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;
  .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }
  .danger {
    color: #cf4444;
  }
}
/* 吸底工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--window-bottom));
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx;
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;
  .total-pay {
    font-size: 40rpx;
    color: #cf4444;
    .decimal {
      font-size: 75%;
    }
  }
  .button {
    width: 220rpx;
    text-align: center;
    line-height: 72rpx;
    font-size: 26rpx;
    color: #fff;
    border-radius: 72rpx;
    background-color: #27ba9b;
  }
  .disabled {
    opacity: 0.6;
  }
}
</style>
